Across
Aussie native won, overthrowing leader in fight (6)
Very happy due to change in plan (4,2)
Individuals in population estimates (4)
Greatest part played in his role as one coming out (5,5)
Humiliated and embarrassed after husband leaves (6)
Moon’s gravity may need to be adjusted (8)
Engineer and master mechanic? (9)
Just over 50 in US city (4)
I haven't cracked this one yet — but Fifteensquared have:
O (over) + ( L [Roman numeral for 50] contained in [in] NY [New York, US city)
Baby bird ran away at last clutching fish (9)
Cheated Harry involved in submitted lawsuit (8)
Hide from source of loud beastly sound that is piercing (3,3)
I haven't cracked this one yet — but Fifteensquared have:
I . E. (id est; that is) contained in (piercing) ( L [ first letter of {source of} L oud] + LOW [sound made by a cow; beastly sound])
Aloof second-in-command departs, relaxing aboard marine glider (6,4)
It’s below the knee – a little lower (4)
I haven't cracked this one yet — but Fifteensquared have:
CALF (young cow; little lower) double definition
Soprano, working with a tenor and alto, produces music (6)
I haven't cracked this one yet — but Fifteensquared have:
S (soprano) + ON (working) + A + T (tenor) + A (alto)
Cryptic clues about new family members (6)
I haven't cracked this one yet — but Fifteensquared have:
Anagram of (cryptic) CLUES containing (about) N (new)
Down
Order brew in a drinking establishment (4,3)
I haven't cracked this one yet — but Fifteensquared have:
Anagram of (order) BREW IN A
Biblical figure some condemned at foot of cross (5)
Suggests tall dudes remove their hats (7)
Missing worker infected by animal disease (6)
Passing border in record time heading left (9)
I haven't cracked this one yet — but Fifteensquared have:
HEM (border) contained in (in) ( EP [Extended Play record] + ERA [time period] + L [ first letter of {heading} L])
Advertisement boards trimmed and put on display (7)
Doctor Dolittle with giant bird (4-6,3)
Boy turned right, fleeing alien, and spotted one with four legs (9)
Nothing upsets snuggling love birds (7)
I haven't cracked this one yet — but Fifteensquared have:
O (character representing zero or nothing) + ( RILES [upsets] containing [snuggling] O [character representing zero [love score in tennis])
Tramp reflecting on unfinished clue for ‘swimmer’ (7)
Pasta with American beans (7)
I haven't cracked this one yet — but Fifteensquared have:
NOODLES (North American terms for heads; beans is also an informal term for heads, so NOODLES can be described as ‘American beans’) double definition
Small lake in view (6)
Top 40 on the radio (5)
Type letters or click words in the clue